WO2019243708A3 - Joint d'etancheite a labyrinthe pour une turbomachine d'aeronef - Google Patents

Joint d'etancheite a labyrinthe pour une turbomachine d'aeronef Download PDF

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Publication number
WO2019243708A3
WO2019243708A3 PCT/FR2019/051400 FR2019051400W WO2019243708A3 WO 2019243708 A3 WO2019243708 A3 WO 2019243708A3 FR 2019051400 W FR2019051400 W FR 2019051400W WO 2019243708 A3 WO2019243708 A3 WO 2019243708A3
Authority
WO
WIPO (PCT)
Prior art keywords
lips
cavities
gas passage
sealing joint
labyrinth sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/FR2019/051400
Other languages
English (en)
Other versions
WO2019243708A2 (fr
Inventor
Clément Raphaël LAROCHE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
Safran Aircraft Engines SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to EP19795249.2A priority Critical patent/EP3810902B1/fr
Priority to US17/253,070 priority patent/US11692450B2/en
Priority to CN201980045929.7A priority patent/CN112437832B/zh
Publication of WO2019243708A2 publication Critical patent/WO2019243708A2/fr
Publication of WO2019243708A3 publication Critical patent/WO2019243708A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/444—Free-space packings with facing materials having honeycomb-like structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/323—Application in turbines in gas turbines for aircraft propulsion, e.g. jet engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/55—Seals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Joint d'étanchéité à labyrinthe (100) pour une turbomachine, en particulier d'aéronef, comportant un élément de rotor (114) s'étendant autour d'un axe (A), et un élément de stator (116) s'étendant autour de l'élément de rotor (114), l'élément de rotor (114) comportant deux léchettes (112a, 112b) annulaires s'étendant radialement vers l'extérieur et entourées par au moins un élément abradable (118) porté par ledit élément de stator (116), plusieurs cavités de passage de gaz sont disposées circonférentiellement les unes à côté des autres entre les deux léchettes (112a, 112b) qui sont reliées entre elles par des cloisons de liaison, au moins une desdites léchettes (112a, 112b) comporte au moins une ouverture axiale de passage de gaz débouchant dans au moins certaines desdites cavités, lesdites cloisons s'étendent sensiblement axialement entre les léchettes et définissent entre elles des secteurs d'espace de passage de gaz, lesdits secteurs d'espace étant découpés par des parois de séparation (132) pour former lesdites cavités.
PCT/FR2019/051400 2018-06-20 2019-06-11 Joint d'etancheite a labyrinthe pour une turbomachine d'aeronef Ceased WO2019243708A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19795249.2A EP3810902B1 (fr) 2018-06-20 2019-06-11 Joint d'etancheite a labyrinthe pour une turbomachine d'aeronef
US17/253,070 US11692450B2 (en) 2018-06-20 2019-06-11 Labyrinth sealing joint for an aircraft turbomachine
CN201980045929.7A CN112437832B (zh) 2018-06-20 2019-06-11 用于飞行器涡轮机的迷宫式密封接头

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1855418 2018-06-20
FR1855418A FR3082879B1 (fr) 2018-06-20 2018-06-20 Joint d'etancheite a labyrinthe pour une turbomachine d'aeronef

Publications (2)

Publication Number Publication Date
WO2019243708A2 WO2019243708A2 (fr) 2019-12-26
WO2019243708A3 true WO2019243708A3 (fr) 2020-02-20

Family

ID=63080150

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2019/051400 Ceased WO2019243708A2 (fr) 2018-06-20 2019-06-11 Joint d'etancheite a labyrinthe pour une turbomachine d'aeronef

Country Status (5)

Country Link
US (1) US11692450B2 (fr)
EP (1) EP3810902B1 (fr)
CN (1) CN112437832B (fr)
FR (1) FR3082879B1 (fr)
WO (1) WO2019243708A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3146932B1 (fr) * 2023-03-23 2025-03-21 Safran Aircraft Engines Architecture pour joint d’étanchéité de turbomachine
FR3148631B1 (fr) * 2023-05-12 2025-05-09 Safran Aircraft Engines Joint d’étanchéité pour turbomachine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1413712A1 (fr) * 2002-10-21 2004-04-28 Siemens Aktiengesellschaft Virole pour une turbine avec joint d'extrémité
US20140072415A1 (en) * 2012-09-11 2014-03-13 General Electric Company Swirl interruption seal teeth for seal assembly
EP2982832A1 (fr) * 2013-04-03 2016-02-10 Mitsubishi Heavy Industries, Ltd. Machine rotative
US20180010467A1 (en) * 2016-07-06 2018-01-11 General Electric Company Shroud configurations for turbine rotor blades

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1018594B1 (fr) * 1999-01-06 2006-12-27 General Electric Company Couvercle pour le rotor d'une turbine
US8172232B2 (en) * 2003-05-01 2012-05-08 Advanced Technologies Group, Inc. Non-contact seal for a gas turbine engine
JP6049385B2 (ja) * 2012-10-04 2016-12-21 株式会社日立製作所 遠心圧縮機
FR3001759B1 (fr) 2013-02-07 2015-01-16 Snecma Rouge aubagee de turbomachine
EP2826961A1 (fr) * 2013-07-19 2015-01-21 Alstom Technology Ltd Turbomachine avec débit de fuite d'extrémité réduit
PL2924237T3 (pl) * 2014-03-25 2019-01-31 Industria De Turbo Propulsores S.A. Wirnik turbiny gazowej
US20170183971A1 (en) * 2015-12-28 2017-06-29 General Electric Company Tip shrouded turbine rotor blades
JP2018048565A (ja) * 2016-09-20 2018-03-29 株式会社東芝 軸流タービンシール装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1413712A1 (fr) * 2002-10-21 2004-04-28 Siemens Aktiengesellschaft Virole pour une turbine avec joint d'extrémité
US20140072415A1 (en) * 2012-09-11 2014-03-13 General Electric Company Swirl interruption seal teeth for seal assembly
EP2982832A1 (fr) * 2013-04-03 2016-02-10 Mitsubishi Heavy Industries, Ltd. Machine rotative
US20180010467A1 (en) * 2016-07-06 2018-01-11 General Electric Company Shroud configurations for turbine rotor blades

Also Published As

Publication number Publication date
FR3082879B1 (fr) 2020-07-03
CN112437832B (zh) 2023-04-21
CN112437832A (zh) 2021-03-02
US20210215056A1 (en) 2021-07-15
EP3810902B1 (fr) 2023-01-04
EP3810902A2 (fr) 2021-04-28
US11692450B2 (en) 2023-07-04
WO2019243708A2 (fr) 2019-12-26
FR3082879A1 (fr) 2019-12-27

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